Combined road marker and lock-in sign



FIG. 1 is a perspective view of a combined road marker and lock-in sign showing my new design;

FIG. 2 is a side elevational taken from the left of FIG. 1;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a combined road marker and lock-in sign, substantially as shown and described. 